1、 EIA/ECA STANDARD CABINETS, RACKS, PANELS, AND ASSOCIATED EQUIPMENT EIA/ECA-310-E (Revision of EIA-310-D) DECEMBER 2005 ELECTRONIC COMPONENTS, ASSEMBLIES covers, doors, hinge pieces, handles, and permanent lifting aids. The Width dimensions shall be in accordance with Paragraph 4.1.3.2. 5.3.1.4 Moun
2、ting Provisions Mounting provisions to secure panels and subracks to the cabinets and panels shall be selected from the following: a) Mounting holes shall be 7.0 0.1 millimeters in diameter. b) Thread systems shall be either M5 or M6. The preferred size is M5. c) Other fastening systems shall be agr
3、eed upon between supplier and user. 5.3.2 Racks A rack is a freestanding or fixed structure, without doors or covers for mounting electrical or electronic equipment. The aperture dimensions of racks are the same as those for Type A cabinets. (See Figure 6 and 4.1.1.) 6 Panels and Subracks This secti
4、on applies to all fields of electronics in which devices and systems conform to the IEC 25 millimeter practices. The purpose of this section is to ensure the mechanical interchangeability of panels and sub racks with cabinets and racks. 6.1 Terms for Panels and Subracks. “n“n“ is equal to the number
5、 of modular units to be used in determining various dimensions. It is generally used with the value “SU”. “SU“System unit, “SU“ is equal to 25 millimeters. 6.1.1 Heights Hp = Panel or subrack height 6.2 Width Wp = Panel or subrack width Wx = Control Dimension. The preferred value is 450. Other contr
6、ol dimensions shall be in increments of 25. EIA310-E Figure 8 Type C CabinetExternal & Internal Dimensions are Restricted Cabinet Panels or Doors Exceed DOand/or HO13EIA-310-E 6.3 Panels and Subracks Panels and subracks designed to conform to the dimensional requirements shown in Figure 9 shall be c
7、onsidered standard. EIA310-E Figure 9 Panel & Subrack Dimensional Requirements 15EIA-310-E If in the review or use of this document, a potential change is made evident for safety, health or technical reasons, please fill in the appropriate information below and mail or FAX to: Electronic Industries
8、Alliance Technology Strategy & Standards Department Publications Office 2500 Wilson Blvd. Arlington, VA 22201 FAX: (703-875-8906) Document No. Document Title: Submitters Name: Telephone No.: FAX No.: e-mail: Address: Urgency of Change: Immediate: At next revision: Problem Area: a. Clause Number and/or Drawing: b. Recommended Changes: c. Reason/Rationale for Recommendation: Additional Remarks: Signature: Date: FOR EIA USE ONLY Responsible Committee: Chairman: Date comments forwarded to Committee Chairman:
